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Hero image 0 of LG 77" Class 4K UHD OLED Web OS Smart TV with Dolby Vision B4 Series - OLED77B4PUA, 0 of 27
LG 77" Class 4K UHD OLED Web OS Smart TV with Dolby Vision B4 Series - OLED77B4PUA
Key item features
- Stunning Picture Quality: LG's signature OLED technology with over 8 million self-lit pixels delivers an incredible watching experience.
- AI-Powered Performance: The 8 AI Processor 4K automatically enhances picture and sound quality based on what you're watching.
- Extensive Entertainment Options: Access popular streaming apps and over 300 free channels with LG Channels (internet connection and subscriptions required).
- Advanced Gaming Features: Equipped with NVIDIA G-Sync, AMD FreeSync Premium, VRR, and a 120Hz refresh rate for a superior gaming experience.
- Immersive Audio and Visuals: Enjoy Dolby Vision, Dolby Atmos, and FILMMAKER MODE for a cinematic experience at home.
- Convenient Connectivity: Four HDMI 2.1 inputs allow you to connect multiple devices for seamless entertainment.
- Smart TV Capabilities: LG webOS 24 with Quick Cards lets you group favorite apps and access content easily.
Generated by AI
Specs
- Screen size77 in
- Resolution4K (2160P)
- DisplayOLED
- Refresh rate120 Hz
- Television typeOLED TVs
- Smart techY
Reviews summary
Pros
- : Displays stunning colors and deep blacks.
- : Simple installation with included feet and user-friendly settings.
- : Offers excellent picture clarity with realistic colors.
- : Offers high-quality features at a lower cost.
Generated by AI
Current price is USD$1,596.99
Price when purchased online
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About this item
Product details
The LG OLED B4 is a premium watching experience that offers more than meets the eye. You'll be able to keep pace with the action with a native 120Hz refresh rate for smoother movement whether you're gaming or watching sports. Entertainment extras like Dolby Vision™,* Dolby Atmos®* and FILMMAKER MODE™ give you the big-picture experience straight from your couch. Enjoy outstanding picture powered by the α8 AI Processor, which uses AI to detect what you're watching and automatically improves the picture and sound quality of whatever you're watching. Search less and stream more, thanks to the next generation of AI technology from LG webOS 24. With Quick Cards, group your favorite apps into categories and even have instant access to over 300 free channels with LG Channels.** All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. And four HDMI 2.1 inputs allow you to plug in all the devices you need for the win. Whether you game on consoles or on the cloud,*** the LG Game Dashboard and Game Optimizer put all the control at your fingertips. *Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2024 Dolby Laboratories. All rights reserved. **Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change. ***Subscription and compatible gaming controller are required.
- Visit the LG Brand Showcase at Walmart.com to learn more about LG's full list of products at Walmart https://www.walmart.com/cp/lg/1589293
- Picture That Wows From Scene to Scene - LG's signature OLED technology creates an incredible watching experience and stellar picture quality illuminated with over 8 million self-lit pixels.
- Refined Picture, Powered by AI - Perfect settings, no matter what you watch, powered by the α8 AI Processor 4K.
- A Galaxy of Entertainment at Your Fingertips - Browse popular streaming apps and 300+ free channels*. *Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- Game with the Power of OLED - Packed with gaming features like NVIDIA G-Sync and 120Hz refresh rate.
info:
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Specifications
Screen size
77 in
Resolution
4K (2160P)
Display
OLED
Refresh rate
120 Hz
Warranty
Warranty information
1 Year Parts & Labor
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
WARNING: WARNING: Cancer and Reproductive Harm www.p65warnings.ca.govPopular items in this category
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Displays stunning colors and deep blacks.
- : Simple installation with included feet and user-friendly settings.
- : Offers excellent picture clarity with realistic colors.
- : Offers high-quality features at a lower cost.
Generated by AI
Customer images
+29 images
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Showing 1-3 of 156 reviews
Aug 27, 2025
Lala Sumegi
5 out of 5 stars review
Seller Verified Purchase
Super Quality
I've really fallen in love with the special remote control option that comes with LG TVs for many, many years. "Magic Remote"👍 I bought a 55" OLED TV 3-4 years ago, and I don't want another type TV since! I just bought a smaller one, 48" for my bedroom too!
International review
Review from lg.com/uk
Helpful?322GM0H0LBVM5446374205
Oct 5, 2025
Hitorkorifiz
5 out of 5 stars review
Oled rules
[This review was collected as part of a promotion.] Great tv wanted to get bigger than 65 inches checked lg website for offers used code n trade up got great deal love lg TVs
International review
Review from lg.com/uk
Helpful?322GM0H0LBVM5446374205
Aug 21, 2024
Smarty44
5 out of 5 stars review
Excellent 65" LG OLED (65B42LA)
My new 65" LG OLED (65B42LA) is excellent on all fronts. I had read reviews before I ordered online and they were all positive and now I can see why. The installation and setup was easy and the settings were very user friendly. The picture quality is truly amazing with vibrant life-like colours and true blacks. The Dolby Vision and AI upscaling do their job magnificently, whether it be watching TV, a movie or playing games on my console. The sound is fantastic with Dolby Atmos as well as AI surround sound. The acoustics fill the room when watching the TV or listening to music. The smart TV interface is great with web browser, games, free LG channels and built-in Alexa. There are many more features which I look forward to trying very soon. The upgrade from my previous 55" UHD curved screen to this outstanding 65" LG OLED has been well worth it. I would recommend this to everyone.
International review
Review from lg.com/uk
Helpful?322GM0H0LBVM5446374205
